./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:23:12,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:23:12,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:23:12,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:23:12,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:23:12,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:23:12,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:23:12,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:23:12,310 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:23:12,315 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:23:12,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:23:12,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:23:12,320 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:23:12,322 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:23:12,323 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:23:12,323 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:23:12,324 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:23:12,325 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:23:12,325 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:23:12,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:23:12,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:23:12,327 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:23:12,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:23:12,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:23:12,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:23:12,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:23:12,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:23:12,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:23:12,332 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:23:12,333 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:23:12,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:23:12,334 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:23:12,335 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:23:12,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:23:12,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:23:12,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:23:12,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:23:12,337 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:23:12,337 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 [2023-11-21 22:23:12,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:23:12,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:23:12,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:23:12,705 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:23:12,706 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:23:12,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2023-11-21 22:23:15,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:23:16,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:23:16,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2023-11-21 22:23:16,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/data/88ffd43fc/67919a2f016849f4ae37bfc7dd390ba9/FLAGe5a89441e [2023-11-21 22:23:16,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/data/88ffd43fc/67919a2f016849f4ae37bfc7dd390ba9 [2023-11-21 22:23:16,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:23:16,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:23:16,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:16,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:23:16,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:23:16,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:16,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491b80ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16, skipping insertion in model container [2023-11-21 22:23:16,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:16,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:23:16,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:16,693 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:23:16,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-21 22:23:16,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [150] [2023-11-21 22:23:16,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [252] [2023-11-21 22:23:16,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [618] [2023-11-21 22:23:16,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [646] [2023-11-21 22:23:16,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [868] [2023-11-21 22:23:16,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [877] [2023-11-21 22:23:16,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] [2023-11-21 22:23:16,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:16,866 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:23:16,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16 WrapperNode [2023-11-21 22:23:16,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:16,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:16,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:23:16,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:23:16,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:16,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:16,959 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 101, statements flattened = 667 [2023-11-21 22:23:16,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:16,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:23:16,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:23:16,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:23:16,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:16,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:16,981 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:17,001 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:23:17,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:17,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:17,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:17,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:17,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:17,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:17,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:23:17,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:23:17,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:23:17,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:23:17,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (1/1) ... [2023-11-21 22:23:17,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:17,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:17,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:17,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:23:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:23:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:23:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:23:17,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:23:17,241 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:23:17,244 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:23:17,862 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:23:17,879 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:23:17,880 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:23:17,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:17 BoogieIcfgContainer [2023-11-21 22:23:17,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:23:17,883 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:23:17,884 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:23:17,888 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:23:17,889 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:23:17,889 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:23:16" (1/3) ... [2023-11-21 22:23:17,891 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1de8c113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:23:17, skipping insertion in model container [2023-11-21 22:23:17,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:23:17,891 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:16" (2/3) ... [2023-11-21 22:23:17,892 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1de8c113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:23:17, skipping insertion in model container [2023-11-21 22:23:17,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:23:17,892 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:17" (3/3) ... [2023-11-21 22:23:17,893 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2023-11-21 22:23:17,969 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:23:17,969 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:23:17,969 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:23:17,969 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:23:17,970 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:23:17,970 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:23:17,970 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:23:17,970 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:23:17,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.3475935828877006) internal successors, (252), 187 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:18,011 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2023-11-21 22:23:18,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:23:18,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:23:18,021 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:18,021 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:18,021 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:23:18,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.3475935828877006) internal successors, (252), 187 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:18,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2023-11-21 22:23:18,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:23:18,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:23:18,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:18,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:18,044 INFO L748 eck$LassoCheckResult]: Stem: 43#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 59#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 36#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 154#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 132#valid_product_returnLabel#1true main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 41#L239true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 107#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 100#L888-2true [2023-11-21 22:23:18,045 INFO L750 eck$LassoCheckResult]: Loop: 100#L888-2true assume !false; 18#L889true assume test_~splverifierCounter~0#1 < 4; 77#L890true havoc test_#t~nondet48#1;test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 127#L898true assume !(0 != test_~tmp~9#1); 64#L898-2true havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 108#L908true assume !(0 != test_~tmp___0~2#1); 17#L908-2true havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 24#L918true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 78#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 144#L926-2true assume { :begin_inline_timeShift } true; 37#L658true assume !(0 != ~pumpRunning~0); 155#L658-2true assume !(0 != ~systemActive~0); 44#L665-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 94#isMethaneLevelCritical_returnLabel#4true __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 70#L629true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 116#L629-1true havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 91#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 100#L888-2true [2023-11-21 22:23:18,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:18,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-21 22:23:18,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:18,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723338368] [2023-11-21 22:23:18,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:18,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:18,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:18,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:18,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:18,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1439041277, now seen corresponding path program 1 times [2023-11-21 22:23:18,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:18,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144731146] [2023-11-21 22:23:18,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:18,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:18,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:18,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144731146] [2023-11-21 22:23:18,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144731146] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:18,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:18,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:23:18,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498307421] [2023-11-21 22:23:18,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:18,461 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 22:23:18,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:18,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:18,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:18,525 INFO L87 Difference]: Start difference. First operand has 188 states, 187 states have (on average 1.3475935828877006) internal successors, (252), 187 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:18,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:23:18,643 INFO L93 Difference]: Finished difference Result 355 states and 465 transitions. [2023-11-21 22:23:18,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 355 states and 465 transitions. [2023-11-21 22:23:18,661 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 232 [2023-11-21 22:23:18,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 355 states to 335 states and 444 transitions. [2023-11-21 22:23:18,677 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 335 [2023-11-21 22:23:18,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 335 [2023-11-21 22:23:18,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 335 states and 444 transitions. [2023-11-21 22:23:18,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:18,690 INFO L218 hiAutomatonCegarLoop]: Abstraction has 335 states and 444 transitions. [2023-11-21 22:23:18,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states and 444 transitions. [2023-11-21 22:23:18,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 332. [2023-11-21 22:23:18,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 332 states have (on average 1.3253012048192772) internal successors, (440), 331 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 440 transitions. [2023-11-21 22:23:18,742 INFO L240 hiAutomatonCegarLoop]: Abstraction has 332 states and 440 transitions. [2023-11-21 22:23:18,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:18,747 INFO L428 stractBuchiCegarLoop]: Abstraction has 332 states and 440 transitions. [2023-11-21 22:23:18,748 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:23:18,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 332 states and 440 transitions. [2023-11-21 22:23:18,751 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 229 [2023-11-21 22:23:18,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:23:18,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:23:18,752 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:18,752 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:18,753 INFO L748 eck$LassoCheckResult]: Stem: 625#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 626#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 614#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 615#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 711#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 621#L239 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 622#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 698#L888-2 [2023-11-21 22:23:18,753 INFO L750 eck$LassoCheckResult]: Loop: 698#L888-2 assume !false; 765#L889 assume test_~splverifierCounter~0#1 < 4; 764#L890 havoc test_#t~nondet48#1;test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 762#L898 assume !(0 != test_~tmp~9#1); 760#L898-2 havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 758#L908 assume !(0 != test_~tmp___0~2#1); 756#L908-2 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 593#L918 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet51#1;test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 594#L926 assume !(0 != test_~tmp___1~0#1); 673#L926-2 assume { :begin_inline_timeShift } true; 616#L658 assume !(0 != ~pumpRunning~0); 604#L658-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 723#L716 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 828#L690-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 816#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 815#L690-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 812#L716-1 havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 811#L665-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 810#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 808#L629 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 806#L629-1 havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 805#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 698#L888-2 [2023-11-21 22:23:18,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:18,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-21 22:23:18,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:18,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384677464] [2023-11-21 22:23:18,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:18,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:18,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:18,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:18,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:18,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1432803373, now seen corresponding path program 1 times [2023-11-21 22:23:18,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:18,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732357413] [2023-11-21 22:23:18,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:18,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:18,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:18,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732357413] [2023-11-21 22:23:18,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732357413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:18,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:18,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:23:18,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172944971] [2023-11-21 22:23:18,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:18,820 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 22:23:18,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:18,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:18,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:18,821 INFO L87 Difference]: Start difference. First operand 332 states and 440 transitions. cyclomatic complexity: 111 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:18,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:23:18,899 INFO L93 Difference]: Finished difference Result 456 states and 581 transitions. [2023-11-21 22:23:18,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 456 states and 581 transitions. [2023-11-21 22:23:18,905 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 323 [2023-11-21 22:23:18,909 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 456 states to 456 states and 581 transitions. [2023-11-21 22:23:18,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 456 [2023-11-21 22:23:18,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 456 [2023-11-21 22:23:18,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 456 states and 581 transitions. [2023-11-21 22:23:18,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:18,912 INFO L218 hiAutomatonCegarLoop]: Abstraction has 456 states and 581 transitions. [2023-11-21 22:23:18,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states and 581 transitions. [2023-11-21 22:23:18,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2023-11-21 22:23:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 456 states have (on average 1.2741228070175439) internal successors, (581), 455 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 581 transitions. [2023-11-21 22:23:18,933 INFO L240 hiAutomatonCegarLoop]: Abstraction has 456 states and 581 transitions. [2023-11-21 22:23:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:18,934 INFO L428 stractBuchiCegarLoop]: Abstraction has 456 states and 581 transitions. [2023-11-21 22:23:18,935 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:23:18,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 456 states and 581 transitions. [2023-11-21 22:23:18,938 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 323 [2023-11-21 22:23:18,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:23:18,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:23:18,941 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:18,942 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:18,942 INFO L748 eck$LassoCheckResult]: Stem: 1424#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1425#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1407#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1408#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1526#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 1415#L239 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1416#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1506#L888-2 [2023-11-21 22:23:18,942 INFO L750 eck$LassoCheckResult]: Loop: 1506#L888-2 assume !false; 1658#L889 assume test_~splverifierCounter~0#1 < 4; 1657#L890 havoc test_#t~nondet48#1;test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 1655#L898 assume !(0 != test_~tmp~9#1); 1653#L898-2 havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 1651#L908 assume !(0 != test_~tmp___0~2#1); 1649#L908-2 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1648#L918 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet51#1;test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1529#L926 assume !(0 != test_~tmp___1~0#1); 1472#L926-2 assume { :begin_inline_timeShift } true; 1409#L658 assume !(0 != ~pumpRunning~0); 1410#L658-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1464#L716 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 1411#L690-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1412#L140-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1441#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 1442#L835-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1557#L835-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1545#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret35#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5#1 := processEnvironment__wrappee__methaneQuery_#t~ret35#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1; 1546#L694-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1635#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1669#L690-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1667#L716-1 havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1666#L665-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1665#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 1663#L629 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 1661#L629-1 havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1660#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1506#L888-2 [2023-11-21 22:23:18,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:18,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-21 22:23:18,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:18,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337674136] [2023-11-21 22:23:18,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:18,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:18,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:18,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:18,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:18,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1100743285, now seen corresponding path program 1 times [2023-11-21 22:23:18,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:18,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194021416] [2023-11-21 22:23:18,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:18,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:19,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:19,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:19,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:19,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1943242063, now seen corresponding path program 1 times [2023-11-21 22:23:19,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:19,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097745313] [2023-11-21 22:23:19,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:19,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:19,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:19,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:20,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:20,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:23:20 BoogieIcfgContainer [2023-11-21 22:23:20,516 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:23:20,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:23:20,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:23:20,517 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:23:20,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:17" (3/4) ... [2023-11-21 22:23:20,524 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-21 22:23:20,587 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:23:20,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:23:20,588 INFO L158 Benchmark]: Toolchain (without parser) took 4335.41ms. Allocated memory is still 199.2MB. Free memory was 156.4MB in the beginning and 155.4MB in the end (delta: 960.9kB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2023-11-21 22:23:20,588 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:20,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.82ms. Allocated memory is still 199.2MB. Free memory was 155.8MB in the beginning and 136.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:23:20,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.35ms. Allocated memory is still 199.2MB. Free memory was 136.6MB in the beginning and 133.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:23:20,590 INFO L158 Benchmark]: Boogie Preprocessor took 77.41ms. Allocated memory is still 199.2MB. Free memory was 133.6MB in the beginning and 129.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:23:20,590 INFO L158 Benchmark]: RCFGBuilder took 843.25ms. Allocated memory is still 199.2MB. Free memory was 129.8MB in the beginning and 165.6MB in the end (delta: -35.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-11-21 22:23:20,591 INFO L158 Benchmark]: BuchiAutomizer took 2633.14ms. Allocated memory is still 199.2MB. Free memory was 164.7MB in the beginning and 158.5MB in the end (delta: 6.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-11-21 22:23:20,591 INFO L158 Benchmark]: Witness Printer took 70.03ms. Allocated memory is still 199.2MB. Free memory was 158.5MB in the beginning and 155.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:23:20,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.82ms. Allocated memory is still 199.2MB. Free memory was 155.8MB in the beginning and 136.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.35ms. Allocated memory is still 199.2MB. Free memory was 136.6MB in the beginning and 133.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.41ms. Allocated memory is still 199.2MB. Free memory was 133.6MB in the beginning and 129.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 843.25ms. Allocated memory is still 199.2MB. Free memory was 129.8MB in the beginning and 165.6MB in the end (delta: -35.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2633.14ms. Allocated memory is still 199.2MB. Free memory was 164.7MB in the beginning and 158.5MB in the end (delta: 6.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 70.03ms. Allocated memory is still 199.2MB. Free memory was 158.5MB in the beginning and 155.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [150] - GenericResultAtLocation [Line: 252]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [252] - GenericResultAtLocation [Line: 618]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [618] - GenericResultAtLocation [Line: 646]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [646] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [868] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [877] - GenericResultAtLocation [Line: 946]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 456 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 398 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 398 mSDsluCounter, 775 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 318 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 457 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 888]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L151] int cleanupTimeShifts = 4; [L422] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L651] int pumpRunning = 0; [L652] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L230] int retValue_acc ; [L231] int tmp ; [L235] FCALL select_helpers() [L236] FCALL select_features() [L237] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = 1 [L977] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L237] RET, EXPR valid_product() [L237] tmp = valid_product() [L239] COND TRUE \read(tmp) [L241] FCALL setup() [L242] CALL runTest() [L221] CALL test() [L879] int splverifierCounter ; [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L883] int tmp___2 ; [L886] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L888] COND TRUE 1 [L890] COND TRUE splverifierCounter < 4 [L896] tmp = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp)) [L906] tmp___0 = __VERIFIER_nondet_int() [L908] COND FALSE !(\read(tmp___0)) [L916] tmp___2 = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp___2)) [L924] tmp___1 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___1)) [L935] CALL timeShift() [L658] COND FALSE !(\read(pumpRunning)) [L665] COND TRUE \read(systemActive) [L667] CALL processEnvironment() [L713] int tmp ; [L716] COND FALSE !(\read(pumpRunning)) [L731] CALL processEnvironment__wrappee__methaneQuery() [L687] int tmp ; [L690] COND TRUE ! pumpRunning [L692] CALL, EXPR isHighWaterLevel() [L827] int retValue_acc ; [L828] int tmp ; [L829] int tmp___0 ; [L833] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L833] RET, EXPR isHighWaterSensorDry() [L833] tmp = isHighWaterSensorDry() [L835] COND TRUE \read(tmp) [L836] tmp___0 = 0 [L840] retValue_acc = tmp___0 [L841] return (retValue_acc); [L692] RET, EXPR isHighWaterLevel() [L692] tmp = isHighWaterLevel() [L694] COND FALSE !(\read(tmp)) [L700] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment__wrappee__methaneQuery() [L667] RET processEnvironment() [L673] CALL __utac_acc__Specification1_spec__1() [L622] int tmp ; [L623] int tmp___0 ; [L627] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L627] RET, EXPR isMethaneLevelCritical() [L627] tmp = isMethaneLevelCritical() [L629] COND FALSE !(\read(tmp)) [L673] RET __utac_acc__Specification1_spec__1() [L935] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 888]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L151] int cleanupTimeShifts = 4; [L422] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L651] int pumpRunning = 0; [L652] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L230] int retValue_acc ; [L231] int tmp ; [L235] FCALL select_helpers() [L236] FCALL select_features() [L237] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = 1 [L977] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L237] RET, EXPR valid_product() [L237] tmp = valid_product() [L239] COND TRUE \read(tmp) [L241] FCALL setup() [L242] CALL runTest() [L221] CALL test() [L879] int splverifierCounter ; [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L883] int tmp___2 ; [L886] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L888] COND TRUE 1 [L890] COND TRUE splverifierCounter < 4 [L896] tmp = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp)) [L906] tmp___0 = __VERIFIER_nondet_int() [L908] COND FALSE !(\read(tmp___0)) [L916] tmp___2 = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp___2)) [L924] tmp___1 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___1)) [L935] CALL timeShift() [L658] COND FALSE !(\read(pumpRunning)) [L665] COND TRUE \read(systemActive) [L667] CALL processEnvironment() [L713] int tmp ; [L716] COND FALSE !(\read(pumpRunning)) [L731] CALL processEnvironment__wrappee__methaneQuery() [L687] int tmp ; [L690] COND TRUE ! pumpRunning [L692] CALL, EXPR isHighWaterLevel() [L827] int retValue_acc ; [L828] int tmp ; [L829] int tmp___0 ; [L833] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L833] RET, EXPR isHighWaterSensorDry() [L833] tmp = isHighWaterSensorDry() [L835] COND TRUE \read(tmp) [L836] tmp___0 = 0 [L840] retValue_acc = tmp___0 [L841] return (retValue_acc); [L692] RET, EXPR isHighWaterLevel() [L692] tmp = isHighWaterLevel() [L694] COND FALSE !(\read(tmp)) [L700] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment__wrappee__methaneQuery() [L667] RET processEnvironment() [L673] CALL __utac_acc__Specification1_spec__1() [L622] int tmp ; [L623] int tmp___0 ; [L627] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L627] RET, EXPR isMethaneLevelCritical() [L627] tmp = isMethaneLevelCritical() [L629] COND FALSE !(\read(tmp)) [L673] RET __utac_acc__Specification1_spec__1() [L935] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 22:23:20,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1626445e-9ceb-475f-ba62-fa32eb2ef29c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)